By Tkacz Borys M.   Hansen Everett M.   in Journal of Forestry

ISSN:0022-1201|80|12|788-791

Society of American Foresters‎(1982)‎

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By WITCOSKY JEFFREY J.   SCHOWALTER TIMOTHY D.   HANSEN EVERETT M.   in Environmental Entomology

ISSN:1938-2936|15|5|1090-1095

Entomological Society of America‎(1986)‎

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By Collins Bradley R.   Parke Jennifer L.   Lachenbruch Barb   Hansen Everett M.   in Canadian Journal of Forest Research

ISSN:1208-6037|39|9|1766-1776

NRC Research Press‎(2009)‎

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